diff options
Diffstat (limited to 'source/rpc_client/cli_netlogon.c')
| -rw-r--r-- | source/rpc_client/cli_netlogon.c | 471 |
1 files changed, 471 insertions, 0 deletions
diff --git a/source/rpc_client/cli_netlogon.c b/source/rpc_client/cli_netlogon.c new file mode 100644 index 00000000000..8a2d8e28cc1 --- /dev/null +++ b/source/rpc_client/cli_netlogon.c @@ -0,0 +1,471 @@ +/* + * Unix SMB/Netbios implementation. + * Version 1.9. + * RPC Pipe client / server routines + * Copyright (C) Andrew Tridgell 1992-1997, + * Copyright (C) Luke Kenneth Casson Leighton 1996-1997, + * Copyright (C) Paul Ashton 1997. + * Copyright (C) Jeremy Allison 1998. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + + +#include "includes.h" + +extern pstring global_myname; +extern fstring global_myworkgroup; + +/**************************************************************************** +Generate the next creds to use. +****************************************************************************/ + +static void gen_next_creds( struct cli_state *cli, DOM_CRED *new_clnt_cred) +{ + /* + * Create the new client credentials. + */ + + cli->clnt_cred.timestamp.time = time(NULL); + + memcpy(new_clnt_cred, &cli->clnt_cred, sizeof(*new_clnt_cred)); + + /* Calculate the new credentials. */ + cred_create(cli->sess_key, &(cli->clnt_cred.challenge), + new_clnt_cred->timestamp, &(new_clnt_cred->challenge)); + +} + +#if UNUSED_CODE +/**************************************************************************** +do a LSA Logon Control2 +****************************************************************************/ +BOOL cli_net_logon_ctrl2(struct cli_state *cli, NTSTATUS status_level) +{ + prs_struct rbuf; + prs_struct buf; + NET_Q_LOGON_CTRL2 q_l; + BOOL ok = False; + + prs_init(&buf , 1024, cli->mem_ctx, MARSHALL); + prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL); + + /* create and send a MSRPC command with api NET_LOGON_CTRL2 */ + + DEBUG(4,("do_net_logon_ctrl2 from %s status level:%x\n", + global_myname, status_level)); + + /* store the parameters */ + init_q_logon_ctrl2(&q_l, cli->srv_name_slash, + status_level); + + /* turn parameters into data stream */ + if(!net_io_q_logon_ctrl2("", &q_l, &buf, 0)) { + DEBUG(0,("cli_net_logon_ctrl2: Error : failed to marshall NET_Q_LOGON_CTRL2 struct.\n")); + prs_mem_free(&buf); + prs_mem_free(&rbuf); + return False; + } + + /* send the data on \PIPE\ */ + if (rpc_api_pipe_req(cli, NET_LOGON_CTRL2, &buf, &rbuf)) + { + NET_R_LOGON_CTRL2 r_l; + + /* + * Unmarshall the return buffer. + */ + ok = net_io_r_logon_ctrl2("", &r_l, &rbuf, 0); + + if (ok && r_l.status != 0) + { + /* report error code */ + DEBUG(0,("do_net_logon_ctrl2: Error %s\n", get_nt_error_msg(r_l.status))); + cli->nt_error = r_l.status; + ok = False; + } + } + + prs_mem_free(&buf); + prs_mem_free(&rbuf); + + return ok; +} +#endif + +/**************************************************************************** +LSA Authenticate 2 + +Send the client credential, receive back a server credential. +Ensure that the server credential returned matches the session key +encrypt of the server challenge originally received. JRA. +****************************************************************************/ + +NTSTATUS cli_net_auth2(struct cli_state *cli, uint16 sec_chan, + uint32 neg_flags, DOM_CHAL *srv_chal) +{ + prs_struct rbuf; + prs_struct buf; + NET_Q_AUTH_2 q_a; + BOOL ok = False; + NTSTATUS result = NT_STATUS_UNSUCCESSFUL; + + prs_init(&buf , 1024, cli->mem_ctx, MARSHALL); + prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL); + + /* create and send a MSRPC command with api NET_AUTH2 */ + + DEBUG(4,("cli_net_auth2: srv:%s acct:%s sc:%x mc: %s chal %s neg: %x\n", + cli->srv_name_slash, cli->mach_acct, sec_chan, global_myname, + credstr(cli->clnt_cred.challenge.data), neg_flags)); + + /* store the parameters */ + init_q_auth_2(&q_a, cli->srv_name_slash, cli->mach_acct, + sec_chan, global_myname, &cli->clnt_cred.challenge, neg_flags); + + /* turn parameters into data stream */ + if(!net_io_q_auth_2("", &q_a, &buf, 0)) { + DEBUG(0,("cli_net_auth2: Error : failed to marshall NET_Q_AUTH_2 struct.\n")); + prs_mem_free(&buf); + prs_mem_free(&rbuf); + return result; + } + + /* send the data on \PIPE\ */ + if (rpc_api_pipe_req(cli, NET_AUTH2, &buf, &rbuf)) + { + NET_R_AUTH_2 r_a; + + ok = net_io_r_auth_2("", &r_a, &rbuf, 0); + result = r_a.status; + + if (ok && !NT_STATUS_IS_OK(result)) + { + /* report error code */ + DEBUG(0,("cli_net_auth2: Error %s\n", get_nt_error_msg(result))); + ok = False; + } + + if (ok) + { + /* + * Check the returned value using the initial + * server received challenge. + */ + UTIME zerotime; + + zerotime.time = 0; + if(cred_assert( &r_a.srv_chal, cli->sess_key, srv_chal, zerotime) == 0) { + /* + * Server replied with bad credential. Fail. + */ + DEBUG(0,("cli_net_auth2: server %s replied with bad credential (bad machine \ +password ?).\n", cli->desthost )); + ok = False; + } + } + +#if 0 + /* + * Try commenting this out to see if this makes the connect + * work for a NT 3.51 PDC. JRA. + */ + + if (ok && r_a.srv_flgs.neg_flags != q_a.clnt_flgs.neg_flags) + { + /* report different neg_flags */ + DEBUG(0,("cli_net_auth2: error neg_flags (q,r) differ - (%x,%x)\n", + q_a.clnt_flgs.neg_flags, r_a.srv_flgs.neg_flags)); + ok = False; + } +#endif + + } + + prs_mem_free(&buf); + prs_mem_free(&rbuf); + + return result; +} + +/**************************************************************************** +LSA Request Challenge. Sends our challenge to server, then gets +server response. These are used to generate the credentials. +****************************************************************************/ + +BOOL cli_net_req_chal(struct cli_state *cli, DOM_CHAL *clnt_chal, DOM_CHAL *srv_chal) +{ + prs_struct rbuf; + prs_struct buf; + NET_Q_REQ_CHAL q_c; + BOOL valid_chal = False; + + prs_init(&buf , 1024, cli->mem_ctx, MARSHALL); + prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL); + + /* create and send a MSRPC command with api NET_REQCHAL */ + + DEBUG(4,("cli_net_req_chal: LSA Request Challenge from %s to %s: %s\n", + cli->desthost, global_myname, credstr(clnt_chal->data))); + + /* store the parameters */ + init_q_req_chal(&q_c, cli->srv_name_slash, + global_myname, clnt_chal); + + /* turn parameters into data stream */ + if(!net_io_q_req_chal("", &q_c, &buf, 0)) { + DEBUG(0,("cli_net_req_chal: Error : failed to marshall NET_Q_REQ_CHAL struct.\n")); + prs_mem_free(&buf); + prs_mem_free(&rbuf); + return False; + } + + /* send the data on \PIPE\ */ + if (rpc_api_pipe_req(cli, NET_REQCHAL, &buf, &rbuf)) + { + NET_R_REQ_CHAL r_c; + BOOL ok; + + ok = net_io_r_req_chal("", &r_c, &rbuf, 0); + + if (ok && !NT_STATUS_IS_OK(r_c.status)) + { + /* report error code */ + DEBUG(0,("cli_net_req_chal: Error %s\n", get_nt_error_msg(r_c.status))); + ok = False; + } + + if (ok) + { + /* ok, at last: we're happy. return the challenge */ + memcpy(srv_chal, r_c.srv_chal.data, sizeof(srv_chal->data)); + valid_chal = True; + } + } + + prs_mem_free(&buf); + prs_mem_free(&rbuf); + + return valid_chal; +} +/*************************************************************************** + LSA SAM Logon internal - interactive or network. Does level 2 or 3 but always + returns level 3. +****************************************************************************/ + +static NTSTATUS cli_net_sam_logon_internal(struct cli_state *cli, NET_ID_INFO_CTR *ctr, + NET_USER_INFO_3 *user_info3, + uint16 validation_level) +{ + DOM_CRED new_clnt_cred; + DOM_CRED dummy_rtn_creds; + prs_struct rbuf; + prs_struct buf; + NET_Q_SAM_LOGON q_s; + NET_R_SAM_LOGON r_s; + NTSTATUS retval = NT_STATUS_OK; + + gen_next_creds( cli, &new_clnt_cred); + + prs_init(&buf , 1024, cli->mem_ctx, MARSHALL); + prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL); + + /* create and send a MSRPC command with api NET_SAMLOGON */ + + DEBUG(4,("cli_net_sam_logon_internal: srv:%s mc:%s clnt %s %x ll: %d\n", + cli->srv_name_slash, global_myname, + credstr(new_clnt_cred.challenge.data), cli->clnt_cred.timestamp.time, + ctr->switch_value)); + + memset(&dummy_rtn_creds, '\0', sizeof(dummy_rtn_creds)); + dummy_rtn_creds.timestamp.time = time(NULL); + + /* store the parameters */ + q_s.validation_level = validation_level; + init_sam_info(&q_s.sam_id, cli->srv_name_slash, + global_myname, &new_clnt_cred, &dummy_rtn_creds, + ctr->switch_value, ctr); + + /* turn parameters into data stream */ + if(!net_io_q_sam_logon("", &q_s, &buf, 0)) { + DEBUG(0,("cli_net_sam_logon_internal: Error : failed to marshall NET_Q_SAM_LOGON struct.\n")); + retval = NT_STATUS_NO_MEMORY; + goto out; + } + + /* send the data on \PIPE\ */ + if (!rpc_api_pipe_req(cli, NET_SAMLOGON, &buf, &rbuf)) { + DEBUG(0,("cli_net_sam_logon_internal: Error rpc_api_pipe_req failed.\n")); + retval = NT_STATUS_UNSUCCESSFUL; + goto out; + } + + r_s.user = user_info3; + + if(!net_io_r_sam_logon("", &r_s, &rbuf, 0)) { + DEBUG(0,("cli_net_sam_logon_internal: Error : failed to unmarshal NET_R_SAM_LOGON struct.\n")); + retval = NT_STATUS_NO_MEMORY; + goto out; + } + + retval = r_s.status; + + /* + * Don't treat NT_STATUS_INVALID_INFO_CLASS as an error - we will re-issue + * the call. + */ + + if (NT_STATUS_V(retval) == NT_STATUS_V(NT_STATUS_INVALID_INFO_CLASS)) { + goto out; + } + + if (!NT_STATUS_IS_OK(retval)) { + /* report error code */ + DEBUG(0,("cli_net_sam_logon_internal: %s\n", get_nt_error_msg(r_s.status))); + goto out; + } + + /* Update the credentials. */ + if (!clnt_deal_with_creds(cli->sess_key, &cli->clnt_cred, &r_s.srv_creds)) { + /* + * Server replied with bad credential. Fail. + */ + DEBUG(0,("cli_net_sam_logon_internal: server %s replied with bad credential (bad machine \ +password ?).\n", cli->desthost )); + retval = NT_STATUS_WRONG_PASSWORD; + } + + if (r_s.switch_value != validation_level) { + /* report different switch_value */ + DEBUG(0,("cli_net_sam_logon: switch_value of %x expected %x\n", (unsigned int)validation_level, + (unsigned int)r_s.switch_value)); + retval = NT_STATUS_INVALID_PARAMETER; + } + +out: + + prs_mem_free(&buf); + prs_mem_free(&rbuf); + + return retval; +} + +/*************************************************************************** +LSA SAM Logon - interactive or network. +****************************************************************************/ + +NTSTATUS cli_net_sam_logon(struct cli_state *cli, NET_ID_INFO_CTR *ctr, + NET_USER_INFO_3 *user_info3) +{ + uint16 validation_level=3; + NTSTATUS result; + + result = cli_net_sam_logon_internal(cli, ctr, user_info3, + validation_level); + + if (NT_STATUS_IS_OK(result)) { + DEBUG(10,("cli_net_sam_logon: Success \n")); + } else if (NT_STATUS_V(result) == NT_STATUS_V(NT_STATUS_INVALID_INFO_CLASS)) { + DEBUG(10,("cli_net_sam_logon: STATUS INVALID INFO CLASS \n")); + + validation_level=2; + + /* + * Since this is the second time we call this function, don't care + * for the error. If its error, return False. + */ + + result = cli_net_sam_logon_internal(cli, ctr, user_info3, + validation_level); + } + + return result; +} + +/*************************************************************************** +LSA SAM Logoff. + +This currently doesnt work correctly as the domain controller +returns NT_STATUS_INVALID_INFO_CLASS - we obviously need to +send a different info level. Right now though, I'm not sure +what that needs to be (I need to see one on the wire before +I can be sure). JRA. +****************************************************************************/ +BOOL cli_net_sam_logoff(struct cli_state *cli, NET_ID_INFO_CTR *ctr) +{ + DOM_CRED new_clnt_cred; + DOM_CRED dummy_rtn_creds; + prs_struct rbuf; + prs_struct buf; + NET_Q_SAM_LOGOFF q_s; + BOOL ok = False; + + gen_next_creds( cli, &new_clnt_cred); + + prs_init(&buf , 1024, cli->mem_ctx, MARSHALL); + prs_init(&rbuf, 0, cli->mem_ctx, UNMARSHALL); + + /* create and send a MSRPC command with api NET_SAMLOGOFF */ + + DEBUG(4,("cli_net_sam_logoff: srv:%s mc:%s clnt %s %x ll: %d\n", + cli->srv_name_slash, global_myname, + credstr(new_clnt_cred.challenge.data), new_clnt_cred.timestamp.time, + ctr->switch_value)); + + memset(&dummy_rtn_creds, '\0', sizeof(dummy_rtn_creds)); + + init_sam_info(&q_s.sam_id, cli->srv_name_slash, + global_myname, &new_clnt_cred, &dummy_rtn_creds, + ctr->switch_value, ctr); + + /* turn parameters into data stream */ + if(!net_io_q_sam_logoff("", &q_s, &buf, 0)) { + DEBUG(0,("cli_net_sam_logoff: Error : failed to marshall NET_Q_SAM_LOGOFF struct.\n")); + prs_mem_free(&buf); + prs_mem_free(&rbuf); + return False; + } + + /* send the data on \PIPE\ */ + if (rpc_api_pipe_req(cli, NET_SAMLOGOFF, &buf, &rbuf)) + { + NET_R_SAM_LOGOFF r_s; + + ok = net_io_r_sam_logoff("", &r_s, &rbuf, 0); + + if (ok && !NT_STATUS_IS_OK(r_s.status)) + { + /* report error code */ + DEBUG(0,("cli_net_sam_logoff: %s\n", get_nt_error_msg(r_s.status))); + ok = False; + } + + /* Update the credentials. */ + if (ok && !clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), &(r_s.srv_creds))) + { + /* + * Server replied with bad credential. Fail. + */ + DEBUG(0,("cli_net_sam_logoff: server %s replied with bad credential (bad machine \ +password ?).\n", cli->desthost )); + ok = False; + } + } + + prs_mem_free(&buf); + prs_mem_free(&rbuf); + + return ok; +} |